You can use an mbed-based system to control a three-axis milling machine to cut panels for electronic equipment. A smart alternative to a PC program, the self-contained controller enables you to run a milling machine either manually or automatically (following a script) without having to clutter your workspace with a computer. The design controls three stepping motors. Inside the controller are a power supply and a PCB, which carries the NXP mbed module plus the necessary interface circuitry and a socket for an SD card.